The United States joins China to formally ratify the Paris agreement to curb climate-warming emissions on the sidelines of the G20 summit in Hanzhou. Diane Hodges reports.
U.S. President Barack Obama and Chinese President Xi Jinping officially submitted their plan to join the Paris agreement to U.N. Secretary-General Ban Ki-moon. The landmark announcement came as leaders from the Group of 20 biggest economies, or G20, arrived for a summit in the Chinese city of Hangzhou. The move is a major step toward the enactment of the pact as early as the end of the year, and it sets the stage for other countries to follow suit. During a bilateral meeting, Obama hailed the ratification as a reflection of the U.S.'s shared interests with China. (SOUNDBITE) (English) U.S. PRESIDENT BARACK OBAMA, SAYING: "By joining the Paris agreement today, we're showing our shared commitment to climate change. I very much look . Obama and Xi committed to cooperate on two other global environmental agreements this year that will curb the use of air-conditioning refrigerants and reduce carbon emissions from aviation. In Paris last December, nearly 200 countries agreed to work to keep global temperature increases to "well below" 2 degrees Celsius. However, experts have said that target is already in danger of being breached. The U.N.'s weather agency says 2016 is on course to be the warmest year on record.